Eating cake made of eggs will reduce our spiritual development. One should not enjoy eating other non-vegetarian food either because something has to be killed in order for us to eat it. In addition, the animal experiences fear and pain when it is going to be killed, which in return you will experience.
To know more please click on the link below:-
English: http://www.dadabhagwan.org/path-to-happiness/spiritual-science/non-violence-and-spiritual-awareness/is-egg-vegetarian/
Hindi: http://hindi.dadabhagwan.org/path-to-happiness/spiritual-science/non-violence-and-spiritual-awareness/is-egg-vegetarian/
Gujarati: http://www.dadabhagwan.in/path-to-happiness/spiritual-science/non-violence-and-spiritual-awareness/is-egg-vegetarian/